A fault with the signalling system at Eastleigh means that some lines are blocked.
As a result, trains running between Romsey and Eastleigh may be delayed by up to 10 minutes or revised.
Chandlers Ford will not be served.
Disruption is expected until 12:00.
Check before you travel:
You can check your journey using the National Rail Enquiries real-time Journey Planner.
Compensation:
You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.